Tube-number record
6GV7 / 7GV7
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BrandThorn-A.E.I. (Brimar)
ClassTriode Pentode
BaseNoval (B9A)
Filament6.3 V @ 0.45 mA
Construction
Primary TypeMulti-section
EnvelopeGlass
Base MaterialGlass
Sections2
Filament / Heater
Heater Notes6GV7: 6.3V/0.45A; 7GV7: 7.4V/0.3A
Absolute Maximum Ratings
Plate Voltage250 V
Plate Dissipation2.1 W
Grid 2 Voltage230 V
Cathode Current15 mA
H-C Voltage200 V
Audio Performance
Key Features
- Frame grid construction
- Variable-mu pentode
- Designed for Television Tuners
- VHF local oscillator and high gain controlled I.F. amplifier
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Pentode | 125 V | 14000 | — | — | 12 mA |
| Triode | 100 V | 5500 | — | 17 | 13 mA |
Application Notes
The pentode is designed for use as a variable gain frequency changer or high gain controlled I.F. amplifier following a U.H.F. tuner. Basing is arranged to minimize pentode cathode lead inductance.
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